<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .img-responsive{
    /* width: 70vw;
    display: flex;
    align-items: flex-end;
    flex-wrap: wrap;
    margin: 0 auto;
    position: absolute;
    top: 30%;
    left: 8%; */
    cursor: pointer;
    margin-top: 10px;
    transition: 1s all;
    position: relative;
    z-index: 10;
}
img{
    width: 270px;
    height: 240px;
    margin-left: 25px;
    margin-bottom: 20px;
}
.img-responsive:hover{
    transition: rotateY(180deg)
}
    </style>
</head>
<body>
    <div class="col-md-4 col-sm-6 col-xs-12" SERICES-img>
        <img src="./img/bjt1.jpg" alt="" class="img-responsive">
    </div>
    <div class="col-md-4 col-sm-6 col-xs-12" SERICES-img>
        <img src="./img/bjt2.jpg" alt="" class="img-responsive">
    </div>
    <div class="col-md-4 col-sm-6 col-xs-12" SERICES-img>
        <img src="./img/bjt3.jpg" alt="" class="img-responsive">
    </div>
    <div class="col-md-4 col-sm-6 col-xs-12" SERICES-img>
        <img src="./img/bjt4.jpg" alt="" class="img-responsive">
    </div>
    <div class="col-md-4 col-sm-6 col-xs-12" SERICES-img>
        <img src="./img/bjt5.jpg" alt="" class="img-responsive">
    </div>
    <div class="col-md-4 col-sm-6 col-xs-12" SERICES-img>
        <img src="./img/bjt6.jpg" alt="" class="img-responsive">
    </div>
</body>
</html>